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Patents > Year granted: 1920 & Grant date: September 1920

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None (11) · Airplane (9) · construction (7) · biplane (5) · frame (5) · Design (4) · Control (4) · propellers (3) · wings (3) · subsystem (2) · Tragdeck (2) · Fuselage (2) · stability (2) · landing (2)
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CPCs:
CPC B64C3/00 (5) · None (4) · CPC B64C17/00 (3) · CPC B64C3/18 (3) · CPC B64C23/005 (2) · CPC B64C11/00 (2) · CPC B64C2700/6235 (2) · CPC B64C2700/6212 (2)
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Showing below up to 39 results in range #1 to #39.

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